Are you an adult with Hereditary Hemorrhageic Telangiectasia (HHT) ? Information about people living with this rare genetic disease HHT is urgently needed. The purpose of this study is to collect a bank of information about people living with HHT to better understand HHT, the symptoms and complications it causes and how the disease impacts people's lives.

Help us learn more about COPD! We want to better understand how your body responds to the nasal flu vaccine and its relation to COPD. We are looking for people with COPD and healthy volunteers for this study. Compensation provided.

Do you have COPD or want to help us understand COPD? If so, you may be able to take part in a research study. We want to learn more about how nose inflammation is related to COPD. We are looking for people with COPD and healthy volunteers for this study. Compensation provided.

Do you have COPD and repeated breathing flares ending up in the hospital? If you are under the care of a doctor at UNC, you may be eligible for a research study to find out which of two medicines, roflumilast or azithromycin, can help your COPD control.